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Book (stand-alone)Soil and plant testing and analysis. Report of an Expert Consultation, Rome, 13-17 June 1977
FAO Soils Bulletin 38/1
1980Also available in:
No results found.Methods for evaluating nutrient status in order to obtain better plant growth and increased yield are constantly being developed and improved. New analytical techniques and procedures for soil and plant analysis have been invented and tested in many countries and laboratories. There have been innovations in data processing leading to preparation of more refined and specific fertilizer recommendations. The purpose of the Consultation was: i. to review advances in a) methodologies for soil and plant chemical analysis, and b) interpretation of the results obtained and the preparation of fertilizer recommendations based on these results. ii. to identify progress made and areas requiring further attention with regard to the organization of soil testing services in general and, in particular, in developing countries. -
Book (stand-alone)Soil survey investigations for irrigation
FAO Soils Bulletin 42
1979Also available in:
No results found.The pressing need for increased agricultural production in the years ahead can only be met by more efficient use of our land and water resources including more widespread and better irrigation in those regions where rainfall is inadequate. Production gains will be shortlived unless the attendant hazards of salinization, water logging and lowered fertility are kept in check by effective planning and management based on a thorough understanding of the soil conditions. Soil survey and land classifi cation are generally accepted essential preliminaries to investment in irrigation development. This publication aims to describe the special requirements of soil survey for irrigation development, and assumes that the reader is familiar with basic soil science and soil survey techniques. -
Book (stand-alone)Soil conservation and management in developing countries. Report of an Expert Consultation, Rome, 22-26 November 1976
FAO Soils Bulletin 33
1977Also available in:
No results found.A major problem facing the areas already under cultivation, is the seriousness of soil degradation and loss of soil fertility due to indiscriminate misuse of agricultural lands, forests and grazing lands. The modern thinking assigns to soil conservation a comprehensive and more positive role than in the past. in that sustained improvement complemented by the preservation of available resources should form the central concept. Soil conservation must not be limited solely to agricultural and grazi ng lands. Conservation education and extension are areas where particular attention must be directed in the developing countries. The purpose of this Expert Consultation was to re-examine the whole question of soil conservation and management in the developing countries, bearing in mind socio-economic aspects, administrative structures, technology and financial resources. The discussion elucidated pertinent problems in the organization of soil conservation and management in these countries and p ossible solutions were suggested.
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